Tsunamis

Question 1

What is a tsunami?

Answer 1

Giant sea waves generated by shallow focus underwater earthquakes, volcanic eruptions, underwater debris slides and landslides into the sea

Question 2

How is a Tsunami formed?

Answer 2

• upward movement of the seabed by and earthquake displaces a Column of water
• series o waves travel outward at heights of three feat or less
• as the wave approached shallow water it’s energy compresses in to a smaller space forcing it to gain height

Question 3

What are the characteristics of a tsunami wave?

Answer 3

Long wavelength and a low wave height in open ocean
Travel quickly at speed of over 700 km per hour
In shallow Water, there height increases rapidly